Injin stepper mai layi, wanda aka fi sani daInjin stepper mai layi, wani magnetic rotor core ne ta hanyar hulɗa da filin lantarki mai pulsed wanda stator ya samar don samar da juyawa, injin stepper mai layi a cikin motar don canza motsi mai juyawa zuwa motsi mai layi. Injinan stepper masu layi na iya yin motsi mai layi ko motsi mai layi kai tsaye. Idan ana amfani da injin juyawa a matsayin tushen wutar lantarki don canzawa zuwa motsi mai layi, ana buƙatar gears, tsarin cam da hanyoyin kamar bel ko wayoyi. Gabatarwar farko ta injinan stepper masu layi ta kasance a cikin 1968, kuma hoton da ke ƙasa yana nuna wasu injinan stepper na layi na yau da kullun.
Ka'idar asali ta injunan layi masu tuƙi daga waje
Na'urar juyawar motar stepper mai layi da ake tuƙawa daga waje maganadisu ce ta dindindin. Lokacin da wutar lantarki ke gudana ta cikin na'urar juyawar stator, na'urar juyawar stator tana samar da filin maganadisu na vector. Wannan filin maganadisu yana tura rotor ya juya a wani kusurwa, ta yadda alkiblar filayen maganadisu na rotor ta yi daidai da alkiblar filin maganadisu na stator. Lokacin da filin maganadisu na vector na stator ya juya ta kusurwa. Na'urar juyawar kuma tana juyawa a kusurwa tare da wannan filin maganadisu. Ga kowane shigarwar bugun lantarki, na'urar juyawar lantarki tana juyawa ta kusurwa ɗaya kuma tana motsawa mataki ɗaya gaba. Yana fitar da canjin kusurwa daidai da adadin shigarwar bugun jini da saurin da ya yi daidai da mitar bugun jini. Canza tsari na kuzarin juyawa yana juya motar. Don haka ana iya sarrafa juyawar motar stepper ta hanyar sarrafa adadin bugun jini, mita da kuma tsarin kunna na'urorin juyawar motar na kowane mataki.
Motar tana amfani da sukurori a matsayin ma'aunin fita, kuma goro na waje yana aiki da sukurori a wajen motar, yana ɗaukar wasu hanyoyi don hana goron sukurori juyawa tsakanin juna, don haka cimma motsi na layi. Sakamakon shine ƙira mai sauƙi wanda ke ba da damar amfani da injinan stepper na layi kai tsaye don daidaitaccen motsi na layi a aikace-aikace da yawa ba tare da shigar da haɗin injin waje ba.
Fa'idodin injunan layi masu tuƙi daga waje
Injinan stepper na layi mai daidaito na iya maye gurbin silinda a cikinwasu aikace-aikace, cimma fa'idodi kamar daidaitaccen matsayi, saurin sarrafawa, da kuma daidaito mai yawa. Ana amfani da injinan stepper na sukurori masu layi a cikin aikace-aikace iri-iri, gami da kera, daidaita daidaito, auna ruwa daidai, daidaitaccen motsi na matsayi, da sauran wurare da yawa tare da buƙatun daidaito mai girma.
▲ Babban daidaito, daidaiton matsayi mai maimaitawa har zuwa ± 0.01mm
Motar sitiyarin layi tana rage matsalar jinkirin shiga tsakani saboda sauƙin tsarin watsawa, daidaiton sanyawa, maimaitawa da cikakken daidaito. Ya fi sauƙi a cimma "motar juyawa + sitiyarin". Daidaiton matsayi na maimaitawa na sitiyarin yau da kullun na motar sitiyarin layi na iya kaiwa ±0.05mm, kuma daidaiton matsayi na maimaitawa na sitiyarin ƙwallon zai iya kaiwa ±0.01mm.
▲ Babban gudu, har zuwa 300m/min
Gudun motar taka-tsantsan mai layi 300m/min kuma hanzari shine 10g, yayin da saurin ƙwallo shine 120m/min kuma hanzari shine 1.5g. Kuma za a ƙara inganta saurin motar taka-tsantsan mai layi bayan an sami nasarar magance matsalar zafi, yayin da "gudun "servo motor & ball sukurori" yana da iyaka a cikin sauri, amma yana da wuya a ƙara ingantawa.
Babban rayuwa da sauƙin gyarawa
Motar da ke kan layi ta taka birki ta dace da daidaito mai kyau domin babu wata hulɗa tsakanin sassan motsi da sassan da aka gyara saboda gibin da ke hawa da kuma rashin lalacewa saboda motsi mai sauri na masu motsi. Sukurin ƙwallon ba zai iya tabbatar da daidaito a cikin motsi mai sauri na juyawa ba, kuma gogayya mai sauri zai haifar da lalacewar goro na sukurin, wanda zai shafi daidaiton motsi kuma ba zai iya biyan buƙatar daidaito mai girma ba.
Zaɓin injin layi na tuƙi na waje
Lokacin yin samfura ko mafita masu alaƙa da motsi na layi, muna ba da shawarar injiniyoyi su mai da hankali kan waɗannan abubuwan.
1. Nawa ne nauyin tsarin?
Nauyin tsarin ya haɗa da nauyin da ke tsaye da nauyin da ke aiki, kuma sau da yawa girman nauyin yana ƙayyade girman injin.
Ƙarfin da ba ya canzawa: matsakaicin matsin lamba da sukurori zai iya jurewa a lokacin hutawa.
Nauyin motsi: matsakaicin matsin lamba da sukurori zai iya jurewa lokacin da yake motsi.
2. Menene saurin gudu na layi na injin?
Gudun gudu na injin layi yana da alaƙa da gubar sukurori, juyin juya halin sukurori ɗaya shine gubar goro ɗaya. Don ƙarancin gudu, yana da kyau a zaɓi sukurori mai ƙaramin gubar, kuma don babban gudu, yana da kyau a zaɓi babban sukurori.
3. Menene buƙatar daidaiton tsarin?
Daidaiton sukurori: ana auna daidaiton sukurori ta hanyar daidaiton layi, watau kuskuren da ke tsakanin ainihin tafiyar da tafiyar ka'ida bayan sukurori ya juya don da'irar busasshiya mai ɗaci.
Daidaiton matsayi mai maimaitawa: Daidaiton matsayi mai maimaitawa an bayyana shi a matsayin daidaiton tsarin don samun damar isa ga matsayin da aka ƙayyade akai-akai, wanda shine muhimmin ma'auni ga tsarin.
Lalacewar baya: lalacewar sukurori da goro a lokacin da suka huta lokacin da adadin motsi biyu na axial ya ƙaru. Yayin da lokacin aiki ke ƙaruwa, lalacewar baya kuma zai ƙaru saboda lalacewa. Ana iya samun diyya ko gyara lalacewar baya ta hanyar kawar da lalacewar baya. Idan ana buƙatar matsayi na biyu, lalacewar baya abin damuwa ne.
4. Sauran zaɓuɓɓuka
Ya kamata a yi la'akari da waɗannan batutuwa a cikin tsarin zaɓe: Shin hawa injin stepper mai layi ya yi daidai da ƙirar injin? Ta yaya za ku haɗa abin da ke motsawa da goro? Menene ingantaccen bugun sandar sukurori? Wane irin tuƙi za a daidaita shi?
Lokacin Saƙo: Nuwamba-16-2022